Exposure of Resource to Wrong Sphere Affecting bytecodealliance/wasm-micro-runtime package, versions [,2.4.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-UNMANAGED-BYTECODEALLIANCEWASMMICRORUNTIME-11431265
  • published4 Aug 2025
  • disclosed29 Jul 2025
  • creditUnknown

Introduced: 29 Jul 2025

NewCVE-2025-54126  (opens in a new tab)
CWE-668  (opens in a new tab)

How to fix?

Upgrade bytecodealliance/wasm-micro-runtime to version 2.4.1 or higher.

Overview

Affected versions of this package are vulnerable to Exposure of Resource to Wrong Sphere via the --addr-pool option when a subnet mask is not specified. An attacker can gain unauthorized access by connecting from any IPv4 address, bypassing intended IP-based access restrictions.

CVSS Base Scores

version 4.0
version 3.1